August weather forecastPosts, CA
August
Weather in August
August, the last month of the summer in Posts, is an agreeable month, with an average temperature fluctuating between 55°F (12.8°C) and 68.4°F (20.2°C).Temperature
The shift into August reveals an average high-temperature of an agreeable 68.4°F (20.2°C), closely mirroring July's climate. Throughout the month of August, Posts observes an average nighttime temperature of 55°F (12.8°C).Humidity
The most humid month in Posts is August, with an average relative humidity of 79%.Rainfall
The month with the least rainfall is August, when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.Daylight
The average length of the day in August in Posts, California, is 13h and 29min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:12 pm. On the last day of August, in Posts, sunrise is at 6:38 am and sunset at 7:35 pm PDT.
Sunshine
In August, the average sunshine in Posts, California, is 11.7h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 in August translates into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Posts, CA
- Average high temperature in August: 68.4°F
The warmest month (with the highest average high temperature) is September (69.6°F).
The month with the lowest average high temperature is December (57°F).
- Average low temperature in August: 55°F
The month with the highest average low temperature is September (55.4°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).
Average pressure in August
Posts, CA
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.93"Hg).
Average wind speed in August
Posts, CA
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Posts, CA
- Average humidity in August: 79%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is November (70%).
Average rainfall in August
Posts, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is December (2.48").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in August
Posts, CA
- Average rainfall days in August: 1.3 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (1.3 days).
Average daylight in August /
Average sunshine in August
Posts, CA
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 11h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in August
Posts, CA
- Average sunshine days in August: 27.8 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in August
Posts, CA
- Average UV index in August: 5
The months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in August
Posts, CA
- Average cloud cover in August: 16
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in August
Posts, CA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
